Which expression uses the commutative property of addition and the associative property of multiplication to rewrite the expression (3*2)*5+7 A.(3*2)*5+7 B.7+3*(2*5) C.7+3*(16) D.3*(5*2)+7

Ihonestly have no clue if it's each or none.

Avery’s piggy bank has 300 nickels, 450 pennies, and 150 dimes. she randomly picks three coins. each time she picks a coin, she makes a note of it and puts it back into the piggy bank before picking the next coin.

What is the location of point g, which partitions the directed line segment from d to f into a 5: 4 ratio? –1 0 2 3